Patents by Inventor Fredrick B. Jenne

Fredrick B. Jenne has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12048162
    Abstract: An embodiment of a method of integration of a non-volatile memory device into a logic MOS flow is described. Generally, the method includes: forming a pad dielectric layer of a MOS device above a first region of a substrate; forming a channel of the memory device from a thin film of semiconducting material overlying a surface above a second region of the substrate, the channel connecting a source and drain of the memory device; forming a patterned dielectric stack overlying the channel above the second region, the patterned dielectric stack comprising a tunnel layer, a charge-trapping layer, and a sacrificial top layer; simultaneously removing the sacrificial top layer from the second region of the substrate, and the pad dielectric layer from the first region of the substrate; and simultaneously forming a gate dielectric layer above the first region of the substrate and a blocking dielectric layer above the charge-trapping layer.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: July 23, 2024
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Krishnaswamy Ramkumar, Bo Jin, Fredrick B. Jenne
  • Publication number: 20230209830
    Abstract: An embodiment of a method of integration of a non-volatile memory device into a logic MOS flow is described. Generally, the method includes: forming a pad dielectric layer of a MOS device above a first region of a substrate; forming a channel of the memory device from a thin film of semiconducting material overlying a surface above a second region of the substrate, the channel connecting a source and drain of the memory device; forming a patterned dielectric stack overlying the channel above the second region, the patterned dielectric stack comprising a tunnel layer, a charge-trapping layer, and a sacrificial top layer; simultaneously removing the sacrificial top layer from the second region of the substrate, and the pad dielectric layer from the first region of the substrate; and simultaneously forming a gate dielectric layer above the first region of the substrate and a blocking dielectric layer above the charge-trapping layer.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 29, 2023
    Inventors: Krishnaswamy Ramkumar, Bo Jin, Fredrick B. Jenne
  • Publication number: 20230074163
    Abstract: A method of scaling a nonvolatile trapped-charge memory device and the device made thereby is provided. In an embodiment, the method includes forming a channel region including polysilicon electrically connecting a source region and a drain region in a substrate. A tunneling layer is formed on the substrate over the channel region by oxidizing the substrate to form an oxide film and nitridizing the oxide film. A multi-layer charge trapping layer including an oxygen-rich first layer and an oxygen-lean second layer is formed on the tunneling layer, and a blocking layer deposited on the multi-layer charge trapping layer. In one embodiment, the method further includes a dilute wet oxidation to densify a deposited blocking oxide and to oxidize a portion of the oxygen-lean second layer.
    Type: Application
    Filed: October 20, 2022
    Publication date: March 9, 2023
    Inventors: Fredrick B Jenne, Sagy Charel Levy, Krishnaswamy Ramkumar
  • Patent number: 11569254
    Abstract: An embodiment of a method of integration of a non-volatile memory device into a logic MOS flow is described. Generally, the method includes: forming a pad dielectric layer of a MOS device above a first region of a substrate; forming a channel of the memory device from a thin film of semiconducting material overlying a surface above a second region of the substrate, the channel connecting a source and drain of the memory device; forming a patterned dielectric stack overlying the channel above the second region, the patterned dielectric stack comprising a tunnel layer, a charge-trapping layer, and a sacrificial top layer; simultaneously removing the sacrificial top layer from the second region of the substrate, and the pad dielectric layer from the first region of the substrate; and simultaneously forming a gate dielectric layer above the first region of the substrate and a blocking dielectric layer above the charge-trapping layer.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: January 31, 2023
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Krishnaswamy Ramkumar, Bo Jin, Fredrick B. Jenne
  • Publication number: 20220173216
    Abstract: A semiconductor device and method of manufacturing the same are provided. In one embodiment, method includes forming a first oxide layer over a substrate, forming a silicon-rich, oxygen-rich, oxynitride layer on the first oxide layer, forming a silicon-rich, nitrogen-rich, and oxygen-lean nitride layer over the oxynitride layer, and forming a second oxide layer on the nitride layer. Generally, the nitride layer includes a majority of charge traps distributed in the oxynitride layer and the nitride layer. Optionally, the method further includes forming a middle oxide layer between the oxynitride layer and the nitride layer. Other embodiments are also described.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Inventors: Fredrick B. Jenne, Krishnaswamy Ramkumar
  • Patent number: 11257912
    Abstract: A semiconductor device and method of manufacturing the same are provided. In one embodiment, method includes forming a first oxide layer over a substrate, forming a silicon-rich, oxygen-rich, oxynitride layer on the first oxide layer, forming a silicon-rich, nitrogen-rich, and oxygen-lean nitride layer over the oxynitride layer, and forming a second oxide layer on the nitride layer. Generally, the nitride layer includes a majority of charge traps distributed in the oxynitride layer and the nitride layer. Optionally, the method further includes forming a middle oxide layer between the oxynitride layer and the nitride layer. Other embodiments are also described.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: February 22, 2022
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Fredrick B. Jenne, Krishnaswamy Ramkumar
  • Publication number: 20210188629
    Abstract: An embodiment of a method of integration of a non-volatile memory device into a logic MOS flow is described. Generally, the method includes: forming a pad dielectric layer of a MOS device above a first region of a substrate; forming a channel of the memory device from a thin film of semiconducting material overlying a surface above a second region of the substrate, the channel connecting a source and drain of the memory device; forming a patterned dielectric stack overlying the channel above the second region, the patterned dielectric stack comprising a tunnel layer, a charge-trapping layer, and a sacrificial top layer; simultaneously removing the sacrificial top layer from the second region of the substrate, and the pad dielectric layer from the first region of the substrate; and simultaneously forming a gate dielectric layer above the first region of the substrate and a blocking dielectric layer above the charge-trapping layer.
    Type: Application
    Filed: June 29, 2020
    Publication date: June 24, 2021
    Inventors: Krishnaswamy Ramkumar, Bo Jin, Fredrick B. Jenne
  • Publication number: 20210104402
    Abstract: A method of scaling a nonvolatile trapped-charge memory device and the device made thereby is provided. In an embodiment, the method includes forming a channel region including polysilicon electrically connecting a source region and a drain region in a substrate. A tunneling layer is formed on the substrate over the channel region by oxidizing the substrate to form an oxide film and nitridizing the oxide film. A multi-layer charge trapping layer including an oxygen-rich first layer and an oxygen-lean second layer is formed on the tunneling layer, and a blocking layer deposited on the multi-layer charge trapping layer. In one embodiment, the method further includes a dilute wet oxidation to densify a deposited blocking oxide and to oxidize a portion of the oxygen-lean second layer.
    Type: Application
    Filed: June 29, 2020
    Publication date: April 8, 2021
    Inventors: Fredrick B. Jenne, Sagy Charel Levy, Krishnaswamy Ramkumar
  • Publication number: 20210074822
    Abstract: A semiconductor device and method of manufacturing the same are provided. In one embodiment, method includes forming a first oxide layer over a substrate, forming a silicon-rich, oxygen-rich, oxynitride layer on the first oxide layer, forming a silicon-rich, nitrogen-rich, and oxygen-lean nitride layer over the oxynitride layer, and forming a second oxide layer on the nitride layer. Generally, the nitride layer includes a majority of charge traps distributed in the oxynitride layer and the nitride layer. Optionally, the method further includes forming a middle oxide layer between the oxynitride layer and the nitride layer. Other embodiments are also described.
    Type: Application
    Filed: September 28, 2020
    Publication date: March 11, 2021
    Inventors: Fredrick B. Jenne, Krishnaswamy Ramkumar
  • Patent number: 10790364
    Abstract: A semiconductor device and method of manufacturing the same are provided. In one embodiment, method includes forming a first oxide layer over a substrate, forming a silicon-rich, oxygen-rich, oxynitride layer on the first oxide layer, forming a silicon-rich, nitrogen-rich, and oxygen-lean nitride layer over the oxynitride layer, and forming a second oxide layer on the nitride layer. Generally, the nitride layer includes a majority of charge traps distributed in the oxynitride layer and the nitride layer. Optionally, the method further includes forming a middle oxide layer between the oxynitride layer and the nitride layer. Other embodiments are also described.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: September 29, 2020
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Fredrick B. Jenne, Krishnaswamy Ramkumar
  • Patent number: 10700083
    Abstract: An embodiment of a method of integration of a non-volatile memory device into a logic MOS flow is described. Generally, the method includes: forming a pad dielectric layer of a MOS device above a first region of a substrate; forming a channel of the memory device from a thin film of semiconducting material overlying a surface above a second region of the substrate, the channel connecting a source and drain of the memory device; forming a patterned dielectric stack overlying the channel above the second region, the patterned dielectric stack comprising a tunnel layer, a charge-trapping layer, and a sacrificial top layer; simultaneously removing the sacrificial top layer from the second region of the substrate, and the pad dielectric layer from the first region of the substrate; and simultaneously forming a gate dielectric layer above the first region of the substrate and a blocking dielectric layer above the charge-trapping layer.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: June 30, 2020
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Krishnaswamy Ramkumar, Bo Jin, Fredrick B. Jenne
  • Publication number: 20190198329
    Abstract: A semiconductor device and method of manufacturing the same are provided. In one embodiment, method includes forming a first oxide layer over a substrate, forming a silicon-rich, oxygen-rich, oxynitride layer on the first oxide layer, forming a silicon-rich, nitrogen-rich, and oxygen-lean nitride layer over the oxynitride layer, and forming a second oxide layer on the nitride layer. Generally, the nitride layer includes a majority of charge traps distributed in the oxynitride layer and the nitride layer. Optionally, the method further includes forming a middle oxide layer between the oxynitride layer and the nitride layer. Other embodiments are also described.
    Type: Application
    Filed: January 4, 2019
    Publication date: June 27, 2019
    Applicant: Cypress Semiconductor Corporation
    Inventors: Fredrick B. Jenne, Krishnaswamy Ramkumar
  • Patent number: 10199229
    Abstract: A semiconductor device and method of manufacturing the same are provided. In one embodiment, method includes forming a first oxide layer over a substrate, forming a silicon-rich, oxygen-rich, oxynitride layer on the first oxide layer, forming a silicon-rich, nitrogen-rich, and oxygen-lean nitride layer over the oxynitride layer, and forming a second oxide layer on the nitride layer. Generally, the nitride layer includes a majority of charge traps distributed in the oxynitride layer and the nitride layer. Optionally, the method further includes forming a middle oxide layer between the oxynitride layer and the nitride layer. Other embodiments are also described.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: February 5, 2019
    Assignee: Cypress Semiconductor Corporation
    Inventors: Fredrick B. Jenne, Krishnaswamy Ramkumar
  • Publication number: 20180351003
    Abstract: A method of scaling a nonvolatile trapped-charge memory device and the device made thereby is provided. In an embodiment, the method includes forming a channel region including polysilicon electrically connecting a source region and a drain region in a substrate. A tunneling layer is formed on the substrate over the channel region by oxidizing the substrate to form an oxide film and nitridizing the oxide film. A multi-layer charge trapping layer including an oxygen-rich first layer and an oxygen-lean second layer is formed on the tunneling layer, and a blocking layer deposited on the multi-layer charge trapping layer. In one embodiment, the method further includes a dilute wet oxidation to densify a deposited blocking oxide and to oxidize a portion of the oxygen-lean second layer.
    Type: Application
    Filed: May 24, 2018
    Publication date: December 6, 2018
    Applicant: Cypress Semiconductor Corporation
    Inventors: Fredrick B. Jenne, Sagy Charel Levy, Krishnaswamy Ramkumar
  • Patent number: 10032517
    Abstract: A system including a memory architecture is described. In one embodiment, the memory architecture includes an array of non-volatile memory cells, a first independently controlled voltage generation circuit, a plurality of register bits to store programmable values used by the independently controlled voltage generation circuit and a control circuit coupled to the first independently controlled voltage generation circuit. The first independently controlled voltage generation circuit is coupled to supply a positive voltage to the array during program and erase operations so that a magnitude of the positive voltage is applied across a storage note of an accessed memory cell of the array. The plurality of register bits to store programmable values used by the independently controlled voltage generation circuit to control the magnitude of the positive voltage. The control circuit controls a duration of the positive voltage. Other embodiments are also described.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: July 24, 2018
    Assignee: Cypress Semiconductor Corporation
    Inventors: Ryan Tasuo Hirose, Fredrick B. Jenne, Vijay Raghavan, Igor G. Kouznetsov, Paul Fredrick Ruths, Cristinel Zonte, Bogdan I. Georgescu, Leonard Vasile Gitlan, James Paul Myers
  • Publication number: 20180166140
    Abstract: A system including a memory architecture is described. In one embodiment, the memory architecture includes an array of non-volatile memory cells, a first independently controlled voltage generation circuit, a plurality of register bits to store programmable values used by the independently controlled voltage generation circuit and a control circuit coupled to the first independently controlled voltage generation circuit. The first independently controlled voltage generation circuit is coupled to supply a positive voltage to the array during program and erase operations so that a magnitude of the positive voltage is applied across a storage note of an accessed memory cell of the array. The plurality of register bits to store programmable values used by the independently controlled voltage generation circuit to control the magnitude of the positive voltage. The control circuit controls a duration of the positive voltage. Other embodiments are also described.
    Type: Application
    Filed: April 15, 2015
    Publication date: June 14, 2018
    Inventors: Ryan Tasuo Hirose, Fredrick B. Jenne, Vijay Raghavan, Igor G. Kouznetsov, Paul Fredrick Ruths, Cristinel Zonte, Bogdan I. Georgescu, Leonard Vasile Gitlan, James Paul Myers
  • Patent number: 9997641
    Abstract: A method of scaling a nonvolatile trapped-charge memory device and the device made thereby is provided. In an embodiment, the method includes forming a channel region including polysilicon electrically connecting a source region and a drain region in a substrate. A tunneling layer is formed on the substrate over the channel region by oxidizing the substrate to form an oxide film and nitridizing the oxide film. A multi-layer charge trapping layer including an oxygen-rich first layer and an oxygen-lean second layer is formed on the tunneling layer, and a blocking layer deposited on the multi-layer charge trapping layer. In one embodiment, the method further includes a dilute wet oxidation to densify a deposited blocking oxide and to oxidize a portion of the oxygen-lean second layer.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: June 12, 2018
    Assignee: Cypress Semiconductor Corporation
    Inventors: Fredrick B. Jenne, Sagy Charel Levy, Krishnaswamy Ramkumar
  • Publication number: 20180053657
    Abstract: A semiconductor device and method of manufacturing the same are provided. In one embodiment, method includes forming a first oxide layer over a substrate, forming a silicon-rich, oxygen-rich, oxynitride layer on the first oxide layer, forming a silicon-rich, nitrogen-rich, and oxygen-lean nitride layer over the oxynitride layer, and forming a second oxide layer on the nitride layer. Generally, the nitride layer includes a majority of charge traps distributed in the oxynitride layer and the nitride layer. Optionally, the method further includes forming a middle oxide layer between the oxynitride layer and the nitride layer. Other embodiments are also described.
    Type: Application
    Filed: July 28, 2017
    Publication date: February 22, 2018
    Applicant: Cypress Semiconductor Corporation
    Inventors: Fredrick B. Jenne, Krishnaswamy Ramkumar
  • Patent number: 9899089
    Abstract: A system including a memory architecture is described. In one embodiment, the memory architecture includes an array of non-volatile memory cells, a first independently controlled voltage generation circuit, a plurality of register bits to store programmable values used by the independently controlled voltage generation circuit and a control circuit coupled to the first independently controlled voltage generation circuit. The first independently controlled voltage generation circuit is coupled to supply a positive voltage to the array during program and erase operations so that a magnitude of the positive voltage is applied across a storage node of an accessed memory cell of the array. The plurality of register bits to store programmable values used by the independently controlled voltage generation circuit to control the magnitude of the positive voltage. The control circuit controls a duration of the positive voltage. Other embodiments are also described.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: February 20, 2018
    Assignee: Cypress Semiconductor Corporation
    Inventors: Ryan Tasuo Hirose, Fredrick B. Jenne, Vijay Raghavan, Igor G. Kouznetsov, Paul Fredrick Ruths, Cristinel Zonte, Bogdan I. Georgescu, Leonard Vasile Gitlan, James Paul Myers
  • Patent number: 9793125
    Abstract: A semiconductor device includes a polysilicon substrate, a first oxide layer formed on the polysilicon substrate, an oxygen-rich nitride layer formed on the first oxide layer, a second oxide layer formed on the oxygen-rich nitride layer, and an oxygen-poor nitride layer formed on the second oxide layer.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: October 17, 2017
    Assignee: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: Fredrick B. Jenne, Krishnaswamy Ramkumar